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lethuill |
1.1 |
#include "../interface/ZeeVertexAnalyzer.h"
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using namespace std;
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using namespace reco;
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using namespace edm;
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ZeeVertexAnalyzer::ZeeVertexAnalyzer(const edm::ParameterSet& iConfig, const edm::ParameterSet& producersNames, int verbosity):verbosity_(verbosity), config_(iConfig)
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{
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allowMissingCollection_ = producersNames.getUntrackedParameter<bool>("allowMissingCollection", false);
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primaryVertexProducer_ = producersNames.getParameter<edm::InputTag>("primaryVertexProducer");
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beamSpotProducer_ = producersNames.getParameter<edm::InputTag>("beamSpotProducer");
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trackProducer_ = producersNames.getParameter<edm::InputTag>("trackProducer");
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electronProducer_ = producersNames.getParameter<edm::InputTag>("electronProducer");
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}
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ZeeVertexAnalyzer::~ZeeVertexAnalyzer()
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{
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}
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lethuill |
1.3 |
bool ZeeVertexAnalyzer::getVertices(const edm::Event& iEvent, const edm::EventSetup& iSetup, TClonesArray* rootVertices, TRootBardak* rootBardak)
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lethuill |
1.1 |
{
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using namespace edm;
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int iRootVertex = 0;
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Very simple Zee selection: at least 2 electrons pT>10 GeV, |eta|<2.5, 60 < Mee < 120
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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edm::Handle< reco::GsfElectronCollection > electrons;
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iEvent.getByLabel(electronProducer_, electrons);
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int nElectrons = electrons->size();
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if(verbosity_>4) std::cout << std::endl << " Number of electrons = " << nElectrons << " (" << electronProducer_.label() << " producer)" << std::endl;
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if(nElectrons<2) return false;
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// Highest ET electron
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Float_t maxPt = 0;
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unsigned int iElectron1 = 999999;
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for (unsigned int j=0; j<electrons->size(); j++)
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{
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const reco::GsfElectron* electron = & (electrons->at(j));
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if ( electron->pt() > maxPt && abs(electron->eta()) < 2.5 )
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{
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maxPt = electron->pt();
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iElectron1 = j;
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}
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}
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if(iElectron1==999999) return false;
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// Second highest ET electron
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maxPt = 0;
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unsigned int iElectron2 = 999999;
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for (unsigned int j=0; j<electrons->size(); j++)
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{
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const reco::GsfElectron* electron = & (electrons->at(j));
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if ( electron->pt() > maxPt && abs(electron->eta()) < 2.5 && j!=iElectron1 )
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{
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maxPt = electron->pt();
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iElectron2 = j;
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}
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}
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if(iElectron2==999999) return false;
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// Z mass
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ROOT::Math::LorentzVector<ROOT::Math::PxPyPzE4D<double> > p4Electron1= (electrons->at(iElectron1)).p4();
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ROOT::Math::LorentzVector<ROOT::Math::PxPyPzE4D<double> > p4Electron2= (electrons->at(iElectron2)).p4();
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ROOT::Math::LorentzVector<ROOT::Math::PxPyPzE4D<double> > p4Z = p4Electron1 + p4Electron2;
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if(verbosity_>4) std::cout << " Electron 1 - (Et,eta,phi)=(" << electrons->at(iElectron1).pt() << "," << electrons->at(iElectron1).eta() << "," << electrons->at(iElectron1).phi() << ")" << std::endl;
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if(verbosity_>4) std::cout << " Electron 2 - (Et,eta,phi)=(" << electrons->at(iElectron2).pt() << "," << electrons->at(iElectron2).eta() << "," << electrons->at(iElectron2).phi() << ")" << std::endl;
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if(verbosity_>4) std::cout << " Mee=" << p4Z.mass() << std::endl;
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lethuill |
1.3 |
//if( p4Z.mass()<60.0 || p4Z.mass()>120.0) return false;
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lethuill |
1.1 |
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// Find CTF track best matching the GSF track assoicated to the electron
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// We will remove these tracks in the track collection for the primary vertex reconstruction
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reco::TrackRef tk1 = (electrons->at(iElectron1)).closestCtfTrackRef();
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reco::TrackRef tk2 = (electrons->at(iElectron2)).closestCtfTrackRef();
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Private Primary Vertex reconstruction with all CTF tracks
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Get BeamSpot
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reco::BeamSpot vertexBeamSpot;
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edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
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iEvent.getByLabel(beamSpotProducer_, recoBeamSpotHandle);
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if (recoBeamSpotHandle.isValid()) vertexBeamSpot = *recoBeamSpotHandle;
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// Get Track Collection
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edm::Handle<reco::TrackCollection> recoTracks;
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iEvent.getByLabel(trackProducer_, recoTracks);
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// Get Transient Track Collection
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edm::ESHandle<TransientTrackBuilder> trackBuilder;
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iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",trackBuilder);
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vector<reco::TransientTrack> transientTracks = (*trackBuilder).build(recoTracks, vertexBeamSpot);
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// Call Primary Vertex Reconstruction using all tracks in the event
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PrimaryVertexProducerAlgorithm theVertexProducer(config_);
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vector<TransientVertex> transientZeeVertices = theVertexProducer.vertices(transientTracks, vertexBeamSpot);
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reco::VertexCollection zeeVertices;
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for (vector<TransientVertex>::const_iterator vertex = transientZeeVertices.begin(); vertex != transientZeeVertices.end(); vertex++)
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{
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reco::Vertex v = *vertex;
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zeeVertices.push_back(v);
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}
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if(verbosity_>4) std::cout << std::endl << " Private Primary Vertex reconstruction with all tracks - Number of vertices = " << zeeVertices.size() << std::endl;
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lethuill |
1.2 |
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lethuill |
1.1 |
for (unsigned int j=0; j<zeeVertices.size(); j++)
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{
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reco::Vertex* vertex = & (zeeVertices.at(j));
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// Put your vertex selection here....
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if (! vertex->isValid() ) continue;
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if ( vertex->isFake() ) continue;
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Int_t ntracks = 0;
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Float_t higherPt = 0.;
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Float_t scalarSumPt = 0.;
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Float_t vectorSumPt = 0.;
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math::XYZVector vectorSum(0.,0.,0.);
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for( std::vector< reco::TrackBaseRef >::const_iterator it = vertex->tracks_begin(); it != vertex->tracks_end(); it++)
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{
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scalarSumPt += (**it).pt();
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vectorSum += (**it).momentum();
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if( (**it).pt()>higherPt ) higherPt=(**it).pt();
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ntracks++;
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}
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vectorSumPt = sqrt(vectorSum.Perp2());
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// No refitted tracks embeded in reco::Vertex....
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//cout << "vertex->refittedTracks().size()=" << vertex->refittedTracks().size() << endl;
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TRootVertex localVertex(
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vertex->x()
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,vertex->y()
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,vertex->z()
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,vertex->xError()
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,vertex->yError()
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,vertex->zError()
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);
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localVertex.setAlgoName("AllTracks");
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localVertex.setChi2( vertex->chi2() );
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localVertex.setNdof( vertex->ndof() );
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localVertex.setNtracks( ntracks );
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localVertex.setHigherTrackPt( higherPt );
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localVertex.setScalarSumPt( scalarSumPt );
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localVertex.setVectorSumPt( vectorSumPt );
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new( (*rootVertices)[iRootVertex] ) TRootVertex(localVertex);
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if(verbosity_>2) cout << " ["<< setw(3) << iRootVertex << "] " << localVertex << endl;
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iRootVertex++;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Private Primary Vertex reconstruction with all CTF tracks except the 2 two tracks matching selected electrons
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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| 170 |
lethuill |
1.2 |
// Remove the two CTF tracks matching the two electron GSF tracks from the transientTracks collection
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// Keep the two CTF electron tracks in a separate vector (eeTransientTracks)
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lethuill |
1.1 |
unsigned int itk1 = 999999;
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unsigned int itk2 = 999999;
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lethuill |
1.2 |
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lethuill |
1.1 |
for (unsigned int j=0; j<transientTracks.size(); j++)
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{
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const reco::Track* tk = & (transientTracks.at(j).track());
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if(verbosity_>5) std::cout << " Tk[" << j << "] (Et,eta,phi)=(" << tk->pt() << "," << tk->eta() << "," << tk->phi() << ")" << std::endl;
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if ( tk->pt()==tk1->pt() && tk->eta()==tk1->eta() && tk->phi()==tk1->phi() )
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{
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itk1 = j;
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if(verbosity_>5) std::cout << " ===> this is tk1" << std::endl;
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}
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if ( tk->pt()==tk2->pt() && tk->eta()==tk2->eta() && tk->phi()==tk2->phi() )
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{
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itk2 = j;
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if(verbosity_>5) std::cout << " ===> this is tk2" << std::endl;
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}
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}
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if (itk1==999999 || itk2==999999)
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{
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std::cout << " ***** NO CTF TRACKS MATCHING THE ELECTRON *****" << std::endl;
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return false;
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}
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lethuill |
1.3 |
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if(verbosity_>4)
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{
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std::cout << " CTF Track 1 - (Et,eta,phi)=(" << transientTracks.at(itk1).track().pt() << "," << transientTracks.at(itk1).track().eta() << "," << transientTracks.at(itk1).track().phi() << " - Fraction of common hits with GSF =" << (electrons->at(iElectron1)).shFracInnerHits();
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if (!transientTracks.at(itk1).stateAtBeamLine().isValid()) std::cout << " IPSig=-1";
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else std::cout << " IPSig=" << transientTracks.at(itk1).stateAtBeamLine().transverseImpactParameter().significance();
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std::cout << " normChi2=" << transientTracks.at(itk1).normalizedChi2() << " nSiHits=" << transientTracks.at(itk1).hitPattern().numberOfValidHits() << " nPxlHits=" << transientTracks.at(itk1).hitPattern().numberOfValidPixelHits() << std::endl;
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std::cout << " CTF Track 2 - (Et,eta,phi)=(" << transientTracks.at(itk2).track().pt() << "," << transientTracks.at(itk2).track().eta() << "," << transientTracks.at(itk2).track().phi() << " - Fraction of common hits with GSF =" << (electrons->at(iElectron2)).shFracInnerHits();
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if (!transientTracks.at(itk2).stateAtBeamLine().isValid()) std::cout << " IPSig=-1";
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else std::cout << " IPSig=" << transientTracks.at(itk2).stateAtBeamLine().transverseImpactParameter().significance();
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std::cout << " normChi2=" << transientTracks.at(itk2).normalizedChi2() << " nSiHits=" << transientTracks.at(itk2).hitPattern().numberOfValidHits() << " nPxlHits=" << transientTracks.at(itk2).hitPattern().numberOfValidPixelHits()<< std::endl;
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}
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| 210 |
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rootBardak->setEle1(
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TRootTrack(
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transientTracks.at(itk1).track().px()
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,transientTracks.at(itk1).track().py()
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,transientTracks.at(itk1).track().pz()
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,transientTracks.at(itk1).track().p()
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| 216 |
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,transientTracks.at(itk1).track().vx()
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| 217 |
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,transientTracks.at(itk1).track().vy()
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| 218 |
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,transientTracks.at(itk1).track().vz()
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| 219 |
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,0
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,transientTracks.at(itk1).track().charge()
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| 221 |
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,transientTracks.at(itk1).hitPattern().pixelLayersWithMeasurement()
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,transientTracks.at(itk1).hitPattern().stripLayersWithMeasurement()
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| 223 |
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,transientTracks.at(itk1).track().chi2()
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| 224 |
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,transientTracks.at(itk1).track().d0()
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| 225 |
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,transientTracks.at(itk1).track().d0Error()
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| 226 |
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,transientTracks.at(itk1).track().dz()
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| 227 |
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,transientTracks.at(itk1).track().dzError()
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| 228 |
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)
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| 229 |
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,transientTracks.at(itk1).hitPattern().numberOfValidHits()
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| 230 |
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,transientTracks.at(itk1).hitPattern().numberOfValidPixelHits()
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| 231 |
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,transientTracks.at(itk1).stateAtBeamLine().transverseImpactParameter().significance()
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| 232 |
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,transientTracks.at(itk1).normalizedChi2()
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| 233 |
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);
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| 234 |
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| 235 |
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rootBardak->setEle2(
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| 236 |
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TRootTrack(
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| 237 |
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transientTracks.at(itk2).track().px()
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| 238 |
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,transientTracks.at(itk2).track().py()
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| 239 |
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,transientTracks.at(itk2).track().pz()
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| 240 |
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,transientTracks.at(itk2).track().p()
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| 241 |
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,transientTracks.at(itk2).track().vx()
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| 242 |
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,transientTracks.at(itk2).track().vy()
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| 243 |
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,transientTracks.at(itk2).track().vz()
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| 244 |
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,0
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| 245 |
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,transientTracks.at(itk2).track().charge()
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| 246 |
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,transientTracks.at(itk2).hitPattern().pixelLayersWithMeasurement()
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| 247 |
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,transientTracks.at(itk2).hitPattern().stripLayersWithMeasurement()
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| 248 |
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,transientTracks.at(itk2).track().chi2()
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| 249 |
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,transientTracks.at(itk2).track().d0()
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| 250 |
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,transientTracks.at(itk2).track().d0Error()
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| 251 |
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,transientTracks.at(itk2).track().dz()
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| 252 |
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,transientTracks.at(itk2).track().dzError()
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| 253 |
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)
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| 254 |
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,transientTracks.at(itk2).hitPattern().numberOfValidHits()
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| 255 |
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,transientTracks.at(itk2).hitPattern().numberOfValidPixelHits()
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| 256 |
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,transientTracks.at(itk2).stateAtBeamLine().transverseImpactParameter().significance()
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| 257 |
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,transientTracks.at(itk2).normalizedChi2()
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| 258 |
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);
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| 259 |
lethuill |
1.1 |
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| 260 |
lethuill |
1.2 |
vector<reco::TransientTrack> eeTransientTracks;
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| 261 |
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eeTransientTracks.push_back(transientTracks.at(itk1));
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| 262 |
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eeTransientTracks.push_back(transientTracks.at(itk2));
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| 263 |
lethuill |
1.1 |
if (itk1<itk2) itk2--;
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| 264 |
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transientTracks.erase (transientTracks.begin()+itk1);
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| 265 |
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transientTracks.erase (transientTracks.begin()+itk2);
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| 266 |
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| 267 |
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if(verbosity_>5)
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| 268 |
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{
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| 269 |
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for (unsigned int j=0; j<transientTracks.size(); j++)
|
| 270 |
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{
|
| 271 |
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const reco::Track* tk = & (transientTracks.at(j).track());
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| 272 |
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std::cout << " New Tk[" << j << "] (Et,eta,phi)=(" << tk->pt() << "," << tk->eta() << "," << tk->phi() << ")" << std::endl;
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| 273 |
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}
|
| 274 |
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}
|
| 275 |
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| 276 |
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// Call Primary Vertex Reconstruction using all tracks in the event except the two electrons
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| 277 |
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vector<TransientVertex> transientNoEEVertices = theVertexProducer.vertices(transientTracks, vertexBeamSpot);
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| 278 |
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| 279 |
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reco::VertexCollection noEEVertices;
|
| 280 |
|
|
for (vector<TransientVertex>::const_iterator vertex = transientNoEEVertices.begin(); vertex != transientNoEEVertices.end(); vertex++)
|
| 281 |
|
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{
|
| 282 |
|
|
reco::Vertex v = *vertex;
|
| 283 |
|
|
noEEVertices.push_back(v);
|
| 284 |
|
|
}
|
| 285 |
|
|
|
| 286 |
|
|
if(verbosity_>4) std::cout << std::endl << " Private Primary Vertex reconstruction with all tracks except the two electrons - Number of vertices = " << noEEVertices.size() << std::endl;
|
| 287 |
|
|
|
| 288 |
|
|
for (unsigned int j=0; j<noEEVertices.size(); j++)
|
| 289 |
|
|
{
|
| 290 |
|
|
reco::Vertex* vertex = & (noEEVertices.at(j));
|
| 291 |
|
|
|
| 292 |
|
|
// Put your vertex selection here....
|
| 293 |
|
|
if (! vertex->isValid() ) continue;
|
| 294 |
|
|
if ( vertex->isFake() ) continue;
|
| 295 |
lethuill |
1.2 |
|
| 296 |
lethuill |
1.1 |
Int_t ntracks = 0;
|
| 297 |
|
|
Float_t higherPt = 0.;
|
| 298 |
|
|
Float_t scalarSumPt = 0.;
|
| 299 |
|
|
Float_t vectorSumPt = 0.;
|
| 300 |
|
|
math::XYZVector vectorSum(0.,0.,0.);
|
| 301 |
lethuill |
1.2 |
|
| 302 |
lethuill |
1.1 |
for( std::vector< reco::TrackBaseRef >::const_iterator it = vertex->tracks_begin(); it != vertex->tracks_end(); it++)
|
| 303 |
|
|
{
|
| 304 |
|
|
scalarSumPt += (**it).pt();
|
| 305 |
|
|
vectorSum += (**it).momentum();
|
| 306 |
|
|
if( (**it).pt()>higherPt ) higherPt=(**it).pt();
|
| 307 |
|
|
ntracks++;
|
| 308 |
|
|
}
|
| 309 |
|
|
vectorSumPt = sqrt(vectorSum.Perp2());
|
| 310 |
lethuill |
1.2 |
|
| 311 |
lethuill |
1.1 |
// No refitted tracks embeded in reco::Vertex....
|
| 312 |
|
|
//cout << "vertex->refittedTracks().size()=" << vertex->refittedTracks().size() << endl;
|
| 313 |
lethuill |
1.2 |
|
| 314 |
lethuill |
1.1 |
TRootVertex localVertex(
|
| 315 |
|
|
vertex->x()
|
| 316 |
|
|
,vertex->y()
|
| 317 |
|
|
,vertex->z()
|
| 318 |
|
|
,vertex->xError()
|
| 319 |
|
|
,vertex->yError()
|
| 320 |
|
|
,vertex->zError()
|
| 321 |
|
|
);
|
| 322 |
lethuill |
1.2 |
|
| 323 |
lethuill |
1.1 |
localVertex.setAlgoName("NoEE");
|
| 324 |
|
|
localVertex.setChi2( vertex->chi2() );
|
| 325 |
|
|
localVertex.setNdof( vertex->ndof() );
|
| 326 |
|
|
localVertex.setNtracks( ntracks );
|
| 327 |
|
|
localVertex.setHigherTrackPt( higherPt );
|
| 328 |
|
|
localVertex.setScalarSumPt( scalarSumPt );
|
| 329 |
|
|
localVertex.setVectorSumPt( vectorSumPt );
|
| 330 |
lethuill |
1.2 |
|
| 331 |
|
|
new( (*rootVertices)[iRootVertex] ) TRootVertex(localVertex);
|
| 332 |
|
|
if(verbosity_>2) cout << " ["<< setw(3) << iRootVertex << "] " << localVertex << endl;
|
| 333 |
|
|
iRootVertex++;
|
| 334 |
|
|
}
|
| 335 |
lethuill |
1.1 |
|
| 336 |
lethuill |
1.2 |
|
| 337 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
| 338 |
|
|
// Private Primary Vertex reconstruction with only the two CTF tracks matched to the selected electrons
|
| 339 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
| 340 |
|
|
|
| 341 |
|
|
vector<TransientVertex> transientOnlyEEVertices = theVertexProducer.vertices(eeTransientTracks, vertexBeamSpot);
|
| 342 |
|
|
reco::VertexCollection onlyEEVertices;
|
| 343 |
|
|
|
| 344 |
|
|
for (vector<TransientVertex>::const_iterator vertex = transientOnlyEEVertices.begin(); vertex != transientOnlyEEVertices.end(); vertex++)
|
| 345 |
|
|
{
|
| 346 |
|
|
reco::Vertex v = *vertex;
|
| 347 |
|
|
onlyEEVertices.push_back(v);
|
| 348 |
|
|
}
|
| 349 |
|
|
|
| 350 |
|
|
if(verbosity_>4) std::cout << std::endl << " Private Primary Vertex reconstruction using only the two electron CTF tracks - Number of vertices = " << onlyEEVertices.size() << std::endl;
|
| 351 |
|
|
|
| 352 |
|
|
for (unsigned int j=0; j<onlyEEVertices.size(); j++)
|
| 353 |
|
|
{
|
| 354 |
|
|
reco::Vertex* vertex = & (onlyEEVertices.at(j));
|
| 355 |
|
|
|
| 356 |
|
|
// Put your vertex selection here....
|
| 357 |
|
|
if (! vertex->isValid() ) continue;
|
| 358 |
|
|
if ( vertex->isFake() ) continue;
|
| 359 |
|
|
|
| 360 |
|
|
Int_t ntracks = 0;
|
| 361 |
|
|
Float_t higherPt = 0.;
|
| 362 |
|
|
Float_t scalarSumPt = 0.;
|
| 363 |
|
|
Float_t vectorSumPt = 0.;
|
| 364 |
|
|
math::XYZVector vectorSum(0.,0.,0.);
|
| 365 |
|
|
|
| 366 |
|
|
for( std::vector< reco::TrackBaseRef >::const_iterator it = vertex->tracks_begin(); it != vertex->tracks_end(); it++)
|
| 367 |
|
|
{
|
| 368 |
|
|
scalarSumPt += (**it).pt();
|
| 369 |
|
|
vectorSum += (**it).momentum();
|
| 370 |
|
|
if( (**it).pt()>higherPt ) higherPt=(**it).pt();
|
| 371 |
|
|
ntracks++;
|
| 372 |
|
|
}
|
| 373 |
|
|
vectorSumPt = sqrt(vectorSum.Perp2());
|
| 374 |
|
|
|
| 375 |
|
|
// No refitted tracks embeded in reco::Vertex....
|
| 376 |
|
|
//cout << "vertex->refittedTracks().size()=" << vertex->refittedTracks().size() << endl;
|
| 377 |
|
|
|
| 378 |
|
|
TRootVertex localVertex(
|
| 379 |
|
|
vertex->x()
|
| 380 |
|
|
,vertex->y()
|
| 381 |
|
|
,vertex->z()
|
| 382 |
|
|
,vertex->xError()
|
| 383 |
|
|
,vertex->yError()
|
| 384 |
|
|
,vertex->zError()
|
| 385 |
|
|
);
|
| 386 |
|
|
|
| 387 |
|
|
localVertex.setAlgoName("OnlyEE");
|
| 388 |
|
|
localVertex.setChi2( vertex->chi2() );
|
| 389 |
|
|
localVertex.setNdof( vertex->ndof() );
|
| 390 |
|
|
localVertex.setNtracks( ntracks );
|
| 391 |
|
|
localVertex.setHigherTrackPt( higherPt );
|
| 392 |
|
|
localVertex.setScalarSumPt( scalarSumPt );
|
| 393 |
|
|
localVertex.setVectorSumPt( vectorSumPt );
|
| 394 |
|
|
|
| 395 |
lethuill |
1.1 |
new( (*rootVertices)[iRootVertex] ) TRootVertex(localVertex);
|
| 396 |
|
|
if(verbosity_>2) cout << " ["<< setw(3) << iRootVertex << "] " << localVertex << endl;
|
| 397 |
|
|
iRootVertex++;
|
| 398 |
|
|
}
|
| 399 |
|
|
|
| 400 |
lethuill |
1.2 |
return true;
|
| 401 |
lethuill |
1.1 |
}
|
